"Land, then, is not merely soil; it is a fountain of energy flowing through a circuit of soils, plants, and animals. Food chains are the living channels which conduct energy upward; death and decay return it to the soil."
(A Sand County Almanac)
The Great Wall. I put it here at the beginning of the album, even though we had to wait till the end of our trip to see it. It's what I most wanted to see and walk on. No disappointment. Took our breath away, partly because it is a very steep climb.